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catapillar

  1. J

    Cat 249d hydraulic squeal

    Looking for any advice on where to look. I have a Cat 249d track skid steer, when warm its making a high pitched hydraulic squeal, possibly a relief valve, never does it cold has to be between 165-170 hydraulic oil temp. Only does it on right side. No power loss or laziness. The machine doesn’t...
  2. C

    No hydraulics at all on my 304 cr

    Hey everyone so I’m runing a 304cr caterpillar and I was pushing a tree with the blade then all of a sudden I go to back up and nothing I have absolutely no hydraulics at all. I’ve checked the safety switch on the arm by jumping it over still nothing. I let it sit all night seeing if the fluid...
  3. D

    Need manuals for old excavator

    I have an E120b cat 1990 the serial number is 7NF05014 I purchased an operation and maintenance manual for it by the serial number and it doesn’t have anything I need or just would like in it. Any pointers on a reliable source for manuals I’d like to have the operation and maintenance manual as...
  4. D

    Help with E120b Cat auxiliary hydraulic line setup

    I recently purchased an e120b caterpillar excavator I would like to get a hydraulic thumb but I have no auxiliary hook ups so I was wondering if someone can help me out
  5. W

    Catapillar D4D price

    Going to look at a Cat D4D 3304 engine, power shift, 6 way, angle is manual, winch. With from pictures would say 60-70% under carriage. Has input seal leaking on trans. What would be a fair offer on something like that? Thanks Cory
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